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Continuous Rolling Production Process
Continuous rolling tube (hereinafter referred to as MPM) process is a mandrel refers to wear long capillary column continuously through a series arrangement rack, rolling and rolling method conforms to become rolling mother pipe size requirements. Its distinguishing feature is the large capacity,...Read more -
Features of Hot-rolled Seamless Tube
After hot-rolled seamless steel tubes, the grain refinement of steel, the ingot destroy the cast structure, eliminate defects and microstructure of the resulting dense PIPE, improved mechanical properties. Air bubbles present before the steel pipe, cracks and loose, after hot rolling at high temp...Read more -
Features Of Hot-Rolled Seamless Tube
After hot-rolled seamless steel tubes, the grain refinement of steel, the ingot destroy the cast structure, eliminate defects and microstructure of the resulting dense PIPE, improved mechanical properties. Air bubbles present before the steel pipe, cracks and loose, after hot rolling at high temp...Read more -
The Main Features of Precision Bright Tubes
Main features of precision bright tubes : Pipe with wall precision, high-quality finish, non-heat-treated steel oxide layer, the inner wall of high cleanliness steel to withstand high pressure, cold deformation, flaring, flattening no cracks, can make a variety of complex deformation and mechanic...Read more -
Embrittlement of Precision Steel Pipe
Brittle tempering temperature range based on precision tubes can be divided into low and high temperature temper brittleness temper brittleness. After tempering brittleness precision tube alloy steel quenched martensite at a temperature range of 250 ~ 400 ℃ tempered steel embrittlement which a br...Read more -
Applications Category of Finishing Seamless Steel Tubes
Finishing seamless steel tubes extensive assortment of applications: classification of finishing seamless steel pipe is widely applied: 1, Finishing with seamless steel structure seamless steel tubes for general structural and mechanical structure. 2, Transmission fluid with seamless steel pipe f...Read more -
The application of steel pipe in shipment and ocean Engineering
Ocean engineering steel pipe design and the selection, specification is according to the classification of ocean engineering steel structure, and with reference to the API (American petroleum institute), AISC (American society for steel structure), ASTM (American society of testing and materials)...Read more -
Heating defect of seamless tube billet
The production of hot-rolled seamless tube generally requires two heatings from the billet to the finished steel pipe, that is, the heating of the billet before piercing and the reheating of the blank pipe after rolling before sizing. When producing cold-rolled steel tubes, it is necessary to use...Read more -
Production Notes of SSAW Steel Pipe
SSAW steel pipe in the production process, we need to pay attention to a series of matters. Except for the following test items, according to the API standard and other relevant standards and the special requirements of some users, but also the need for steel, steel pipe and other tests Destructi...Read more -
Seamless tube production equipment
There are many kinds of seamless tube (smls) production equipment according to the seamless steel tube production process. However, regardless of the rolling, extrusion, top pressing or spinning seamless steel tube manufacturing process, the billet heating equipment is inseparable, so the billet ...Read more -
What three processes are included in the heat treatment of carbon steel tubes?
According to different conditions, the metal material is heated to a suitable temperature and kept warm, and then cooled in different ways to change the metallographic structure of the metal material and obtain the required structural properties. This process is usually called metal material heat...Read more -
Welding method of spiral steel pipe
Spiral pipe is a spiral seam welded pipe made of strip steel coil as raw material, extruded at regular temperature, and welded by automatic double-wire double-sided submerged arc welding process. The welding method of submerged arc automatic welding is the same as manual welding in that it still ...Read more
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